Rationalize the denominator and simplify.

A. 6 
B.  
C. 127
D.  


Answer: B

Mathematics

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Graph the function.y = -x2 + 3

A.

B.

C.

D.

Mathematics

Find the exact value of y, or state that y is undefined.y = cos-1 

A.
B.
C. - 
D.

Mathematics

Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = 2t - 1, y = t2 + 4; -4 ? t ? 4

A. y = - x + 30; -6 ? x ? 4

B. y = x2 + 1; -2 ? x ? 2

C. y = x2 + 1; -6 ? x ? 4

D. y = x2 + x + ; -9 ? x ? 7

Mathematics

Use the function  to find . ?

A.
B.
C.
D.
E.

Mathematics